Notes, summaries, assignments, exams, and problems for Medicine and health sciences

Phrases Related to Communication and Decisions

• Hang up: End a phone conversation.
• Hang on (a minute): Wait.
• Hang on tight: Hold onto something firmly.
• Hanging about: Standing around doing nothing productive.
• Hung back: Hesitate due to nervousness.
• Make up my mind: Decide.
• Make a habit of: Get used to doing something regularly.
• Make the most of our time: Gain as much advantage as possible from the time available.
• Make out: Manage to see or discern something.
• Make do with: Manage using something that is not entirely satisfactory.
• Manage to: Succeed in doing something.
• Suggest: Followed by a gerund (-ing) or 'should'.

Verbs Describing Movement and Observation

• Fling off/flang: Take away or remove something.
• Creep/crept: Move very slowly and secretly.
• Fumble: To

Describing People: Appearance and Characteristics

Appearance and Characteristics

• Q: What does she look like? A: She's tall with red hair.
• Q: How old is she/he? A: She's about 32.
• Q: How tall is she/he? A: She's 1 meter 88. / He's quite short.
• Q: How long is her/his hair? A: It's short-medium.

Mastering 'Have' and 'Has'

Affirmative and Negative Forms

• Subject-Verb Agreement:
  • She, He, It = Has
  • I, You, We, They = Have
• Negative Forms: I haven't / She hasn't

Asking About Experiences (Present Perfect)

• Q: Have you been to a jazz club?
  • (+) Yes, I've been to several.
  • (-) No, I haven't been to one.
• Q: Has she ridden in a streetcar?
• Q: Has he called home lately?

Asking for and Giving Suggestions

Travel Recommendations

• Q: What can I do in Mexico?
  • A: You can see the...
  • A: You

The Science of Attraction and Chemistry

This article seeks to provide a fun and entertaining vision of chemistry, essentially as simple and wonderful as something that happens to us all at some point in life: love!

Poets have delighted us by singing about the most wonderful feelings from all angles and with infinite shades, but chemists also have things to say about it—perhaps less alluring, but no less important.

The Psychological Blueprint of Love

Why do we fall for a particular person and not another? Numerous psychological investigations demonstrate the decisiveness of childhood memories, both conscious and unconscious. The so-called correspondence theory can be summarized in the phrase: "Everyone is seeking a partner they think they deserve.

Beta-Lactam Antibiotics

Penicillins

Classification of Penicillins

• Narrow-Spectrum Penicillins
  • Natural Penicillins: Penicillin G Sodium, Penicillin G Procaine, Penicillin G Benzathine.
  • Acid-Resistant Penicillins: Penicillin V, Pheneticillin, Propicillin.
• Beta-Lactamase Resistant (Antistaphylococcal) Penicillins
  • Oxacillin, Cloxacillin, Methicillin, Nafcillin.
• Broad-Spectrum Penicillins
  • Antipseudomonal Penicillins:
    • Carboxypenicillins: Carbenicillin, Ticarcillin.
    • Ureidopenicillins: Azlocillin, Mezlocillin, Piperacillin.
  • Aminopenicillins (Beta-Lactamase Sensitive): Amoxicillin, Ampicillin.
• Gram-Negative Beta-Lactamase Resistant Penicillins
  • Temocillin.
• Beta-Lactamase Inhibitors
  • Clavulanic Acid, Sulbactam, Tazobactam.

Key Characteristics of Penicillins

• Structure: Composed

Crouching

bending

Grievance

offend

Aquamarine

pale-blue semiprecious stone

Seizure

grab

Daunt

scare

Besieged

surrounded

Affordable

Accessible

Astrakhan

sheepskin newborn

Dumbfounded

surprised

Subjugate

to humiliate

Banal

not important

Bizarro

Valiente - rare

Gap

opening

Brio

value

Blade

thin grass

Honing

polish

Hot

very hot

Candidly

simplicity

Refrain

annoying repetition

Capital

top of a column

Carrara

loading a truck

Cerulean

blue

Sizzle

make sharp noises

Cover

quilt

Concise

compact

Conviction

security

Zip

close

Curare

Poison

Gift

charity

Swallowing

swallow

Left

traces of a feeling

Deplore

regret

Slip

slight error

Skinning

remove

Teaching

on education

Squander

to waste

Dissent

disagreement

Elegy

a poem sad uy

Empirical

Based on experience

Skirmish

fight small

Scrutinize

review

Stampede

escape violent

Status

regulation

Etymology

origin

Personal Pronouns: Tonic and Toneless Forms

Tonic (Stressed) Pronouns

• 1st Person Subject: I, we (including forms like nosotros/as)
• 1st Person Complement/Object: me, us
• 2nd Person Subject: you (singular), you/ye (plural, including vosotros)
• 2nd Person Complement/Object: you (singular), you/yourselves (plural)
• 3rd Person Subject: he, she, it, they
• 3rd Person Complement/Object: him, her, it, them (including various clitic interpretations)

Toneless (Unstressed) Pronouns

These forms often function as clitics:

• 1st Person Complement: me, us (nos)
• 2nd Person Complement: te, you (os/ye)
• 3rd Person Complement: lo, la, lo, los, las, se, le, les (including various combinations)

Adverbs and Their Functions

• Place: here, there, yonder, near, far, up, down, in front, behind,

Key Epidemiology and Biostatistics Terms

This document defines core epidemiology and biostatistics concepts used in clinical research and public health.

Diagnostic Test Measures

• Sensitivity: The probability that an individual with the disease tests positive. High sensitivity is useful to rule out disease when the test is negative.
• Specificity: The probability that a healthy individual tests negative. High specificity is useful to confirm disease when the test is positive.

Population Prevalence and Incidence

• Prevalence: The total number of existing cases in the population divided by the total population at a given time.
• Incidence: The occurrence of new cases of a disease in a population over a specified period.
• Cumulative incidence (individual risk)

Prevention of Cardiovascular Disease

Preventing cardiovascular disease involves adopting a healthy lifestyle. Key recommendations include:

• Regular Exercise: Engage in consistent physical activity.
• Calorie Management: Avoid excessive calorie intake.
• Dietary Moderation: Limit salt, sugar, red meat, egg yolks, and alcohol.
• Increased Consumption: Boost intake of cereals, pulses, oily fish, salads, and fruits.
• Fat Choices: Moderate animal fat intake and prioritize healthier vegetable oils.
• Dairy Alternatives: Choose soy or skim milk.
• Fiber-Rich Foods: Eat foods high in fiber.
• Meal Preparation: Limit reliance on pre-cooked meals.
• Rest and Organization: Ensure adequate rest and organize time and activities effectively.

Understanding Mental Health Conditions

Mental...

Bowel Elimination Physiology in the Elderly

In the elderly, stools are less frequent and may be harder. Constipation is a common complaint among healthy elderly patients, often without a clear single etiology. Aging produces:

• Slowing of gastrointestinal motility.
• Mucosal and intestinal muscle atrophy.
• Reduced nerve function in the intestine, rectum, and anus.

Subjective Constipation

In the elderly, this is usually related to incorrect assessments or ideas acquired due to cognitive decline.

Manifestations

Unrealistic expectations regarding the quantity and timing of bowel movements, leading to the abuse of laxatives.

Criteria Scores

The elderly person must:

• Recognize their bowel pattern as normal.
• Recognize the negative effects of laxatives.
• Specify activities

Fetal Development: The Journey to Birth

First Trimester Milestones (Weeks 8–11)

By 8 weeks, the embryo transitions into a fetus.

Week 9: Nervous System and Movement

• The nervous system generates neurons.
• The fetus begins to tremble, strengthening muscles through involuntary spasms.
• The brain does not yet control the heartbeat.

Week 11: Reflexes and Growth Spurt

• The kicking reflex begins (the fetus starts experimenting with its feet).
• The period from Week 6 to 11 shows the most notable growth.

Second Trimester Development (Up to Week 18)

The fetus develops strong muscles and bones, connecting all organs of the nervous system. It gains total control of the brain and becomes sensitive to touch. The fetus is aware of its space and performs countless movements....